A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

One of the last free public hot springs is decorated with hippie art.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Where the writer penned his famous story about a jumping frog.

The rocks in this arid basin leave trails of movement behind them.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The echoes of a railroad town that solemnly mark the end of the line.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

A natural dome made of volcanic glass in Inyo National Forest.

The Zalud family experienced a number of tragedies in one decade, giving rise to rumors that the 19th century house is haunted.

A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.

The huge granite obelisk that towers over a small California town.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.